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Inkjet printers all operate the same basic way. There are differences but the basics are the same for any inkjet devices. Eventually a buildup occurs enough that your printer doesn't print. Cleaning cycles use more and since inkjet ink is worth about $8000 a gallon, this is a expensive way to clean something.

So what can we do to clean this just a bit cheaper? We need to find a suitable solvent that will dissolve these deposits without harming the print head. And the one that works great and is dirt cheap is good old household white vinegar. Next we want to get some lint free (preferred but not critical) paper towels. And a clean clear table top to work. You may want to put down some newspaper. This isn't that messy to do but it can get the odd bit of dissolved ink on things.

Now we take the printer and remove the paper and the ink cartridges and set aside. The print head is a small stamp sized thing on the bottom of the cartridge holder. Take about 1/3 of a sheet of paper towel and wet it with vinegar. Next you want to get the wetted towel under the print head. It should fit as this is where the paper goes you print. The towel is a thicker but it is soft. move the print head back and forth over the towel. When the towel is covered with ink, change it and repeat. Keep repeating this until the towel comes clean. It will only take a few minutes. When the towel is clean then you are done. Replace the ink cartridges and paper and you are ready to print.

If your computer runs Windows 7, the driver is already aboard. Click the Start button, go to Control Panel, click Printers, and click Add a Printer from the service bar near the top of the window. You will be asked whether you are installing a printer directly connected to your computer, or if you are setting up a printer for a network. Then you will be asked to choose the usual printer port LPT1, or a new port. Select Existing Port, LPT1, if this is the only printer on your computer. A new window appears, which lists all of the drivers that are included with the operating system software on your computer. Select HP for Hewlett Packard in the left window. The list of included drivers appears in the right window. Scroll down to OfficeJet, and double-click 4300 Series. Name your printer, and click next. The system will now attempt to detect a printer, so have your connections secured.

It should take between 1 and 3 minutes, depending on the speed of your system. Save your work, and exit from any other programs you are using, so that the computer can restart and activate the printer software.

This usually happens when your printer cartridge is almost empty. (Especially in inkjet printers) But to be sure, you can try to print a couple of pages with notepad, if the problem continues, you can try to clean the printer cartridge (Most of the printers has this function installed, you can go to the Control Panel -> Printers -> Right Click your printer -> Properties -> Maintenance or so), If the problem continues, you can try a new cartridge. But if the problem is with the Microsoft Word, the Microsoft Word itself can be reinstalled or a new updated printer driver can be searched online for correcting this problem.

I don't know if you've ever replaced the motherboard in a laptop, but it can be a serious chore - even damaging to the LCD connector and other devices if you're not careful. Oftentimes the cost of a replacement board is 50-75% of the cost of a new laptop, so you might consider that venue.

If you provide a model number we can help you find prices for the board.